#!/usr/bin/env python
# -*- coding:utf-8 -*-
# Author:zbsilent


_tuple_commodity = ("瓜子", "花生", "汽水", "打火机", "万宝路")

_salary = input("please input your salary....")

_float_salary = float(_salary)

if _float_salary > 0:
    for commodity in _tuple_commodity:
        print(commodity)
    else:
        print("no commodity")
